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Search Trends for top 3 terms related to influenza vaccination and applied vaccinations in the US. Weekly online searches from August 4, 2019, to April 10, 2021, for the top 3 terms related to “flu shot”. Weekly vaccinations are shown for the 2019-2020 and the 2020-2021 influenza vaccination seasons: from August 4, 2019, to May 31, 2020, and August 2, 2020, to April 10, 2021.
